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ICD-10-CM Codes
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O00-O9A
Pregnancy, childbirth and the puerperium
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O30-O48
Maternal care related to the fetus and amniotic cavity and possible delivery problems
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O43-
Placental disorders
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2021 ICD-10-CM Diagnosis Code O43.91
2021 ICD-10-CM Diagnosis Code O43.91
Unspecified placental disorder, first trimester
2016 2017 2018 2019 2020 2021 Billable/Specific Code Maternity Dx (12-55 years) 1st Trimester (< 14 weeks)
- O43.91 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM O43.91 became effective on October 1, 2020.
- This is the American ICD-10-CM version of O43.91 - other international versions of ICD-10 O43.91 may differ.
ICD-10-CM Coding Rules
- O43.91 is applicable to maternity patients aged 12 - 55 years inclusive.
- O43.91 is applicable to mothers in the first trimester of pregnancy, which is defined as less than 14 weeks since the first day of the last menstrual period.
The following code(s) above
O43.91 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
O43.91:
ICD-10-CM O43.91 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 817 Other antepartum diagnoses with o.r. Procedures with mcc
- 818 Other antepartum diagnoses with o.r. Procedures with cc
- 819 Other antepartum diagnoses with o.r. Procedures without cc/mcc
- 831 Other antepartum diagnoses without o.r. Procedures with mcc
- 832 Other antepartum diagnoses without o.r. Procedures with cc
- 833 Other antepartum diagnoses without o.r. Procedures without cc/mcc
Convert O43.91 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To O43.91
O43.89 Other placental disorders
O43.9 Unspecified placental disorder
O43.90 …… unspecified trimester
O43.91
…… first trimester
O44.0 Complete placenta previa NOS or without hemorrhage
O44.00 …… unspecified trimester
O44.1 Complete placenta previa with hemorrhage
O44.10 …… unspecified trimester
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.